The TDA2040 is an audio class-AB amplifier designed by STMicroelectronics. It is packaged in the Pentawatt® package and supports single or split power supply. It has a short-circuit protection and thermal shutdown system. It can provide up to 25W or 30W output power.
The document describes the TDA2040, a monolithic integrated circuit designed as an audio class-AB amplifier. It is available in the Pentawatt® package and features wide-range supply voltage support up to 40 V, compatible with both single or split power supplies. The device includes automatic limiting for dissipated power and a thermal shutdown system to ensure safe operation.
| Output power (THD=0.5%) | 25 W @ 4 Ω, +17 V supply |
|---|---|
| Output power (THD=10%) | 30 W @ 4 Ω, +17 V supply |
| Supply voltage range | +4.5 to +20 V |
| Output peak current | 4 A (internally limited) |
| Thermal shutdown temperature | 145 °C |
The device supports a wide-range supply voltage up to 40 V.
The TDA2040 is available in the Pentawatt® package.